...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7384456 | Modular frame for air purification devices A modular frame for use in air purification devices is described. In one aspect of the invention, a plurality of frame members are arranged in a linked stack to form a housing for components of an air purification device. The frame members are arranged to define a f... | 06/10/2008 |
| 7332020 | Gas treating device A gas treating device capable of electrically collecting dust and of decomposing odors and other matter by plasma includes a plasma generating device integrally incorporated into an ionization part in a casing. The ionization part has an ionization line and a column... | 02/19/2008 |
| 7291206 | Pre-ionizer for use with an electrostatic precipitator A pre-ionizer for use with an electrostatic precipitator is provided according to an embodiment of the invention. The pre-ionizer includes two or more corona ground elements arranged in a substantially parallel orientation. A corona ground element of the two or more... | 11/06/2007 |
| 7250202 | Recording sheets for ink jet printing A recording sheet for ink jet printing comprising a support onto which is coated at least one ink receiving layer and includes a porous inorganic oxide and an aliphatic hydroxycarboxylic acid with at least 2 C atoms. ... | 07/31/2007 |
| 7141174 | Modified amine for boiler water treatment The present invention provides a method of treating boiler and condensate water by the addition of an effective amount of a hydroxyamine-acid ester treatment reagent or an all-in-one treatment composition comprising a hydroxyamine-acid ester. Modification of a hydro... | 11/28/2006 |
| 7121276 | Personal oxygen concentrator An oxygen separator for separating oxygen from ambient air utilizing a vacuum swing adsorption process has a mass of less than 2.3 kg. A carrier is mountable on a person to support the oxygen separator for ambulatory use. ... | 10/17/2006 |
| 7090717 | Air purifier An air purifier has a simply manufactured and assembled ionizer, which improves the charging efficiency for dust particles using multi-directional discharge and prevents electrical accidents. The air purifier includes an ionizer and a collector. The ionizer includes... | 08/15/2006 |
| 7071177 | P-(sulfonyl) aryl and heteroarylamines as anti-inflammatory agents This invention relates to anti-inflammatory and analgesic compounds, especially to certain p-(sulfonyl)phenyl amino derivatives, pharmaceutical compositions containing them, methods for their use, and methods for preparing these compounds. ... | 07/04/2006 |
| 7048780 | Air purifier An air purifier has a simply manufactured and assembled ionizer, which increases the charging efficiency for dust particles through maximally increased discharge spaces and prevents electrical accidents. The air purifier includes an ionizer and a collector. The ioni... | 05/23/2006 |
| 6958089 | Structure of an electrostatic precipitator An electrostatic precipitator includes a frame, several parallel square metallic rods securely disposed in the frame, and several metallic boards positioned parallel in the frame for charges to be deposited on, and spacing elements; the metallic boards have through ... | 10/25/2005 |
| 6951580 | Method for minimizing bowing of collector plates in an electrostatic precipitator, and a collector plate-clip combination A bow-reduced precipitator collector plate assembly and an appertaining method include a precipitator collector plate that contacts a spring-like stiffening element configured to be attached to a fixed anchor or an adjacent anchoring collector plate. The stiffening ... | 10/04/2005 |
| 6852149 | Electrostatic precipitator An electrostatic precipitator includes several dividable supporting rods, which are passed through corresponding big holes, and tightly fitted in corresponding small holes of metallic boards so as to support the metallic boards equidistantly spaced apart in position... | 02/08/2005 |
| 6599349 | Precipitating tube bundle for wet electrofilters A precipitation tube bundle for wet electrostatic filters is provided. The precipitation tube bundle consists of a plurality of single-piece precipitation tubes which are held at a distance from each other by an upper support collar, a central guide ring ... | 07/29/2003 |
| 6579349 | Electrostatic precipitator An electrostatic precipitator includes an upright hollow body having a lower smoke inlet and an upper smoke outlet, with a pair of spaced horizontal partitions formed in the hollow body between the inlet and outlet. A set of parallel ducts extends vertica... | 06/17/2003 |
| 6576046 | Modular electrostatic precipitator system A modular two-stage electrostatic precipitator for extracting airborne particles includes individual ionizer/collector cell modules having integrated power supplies and diagnostic systems. The cell modules are adapted to be joined blindly to one another i... | 06/10/2003 |
| 6454839 | Electrofiltration apparatus An electrofiltration apparatus is provided having at least one electrostatically charged polymeric film layer having surface structures. The film layers may be configured as a collection cell that has the structured film layer defining a plurality of orde... | 09/24/2002 |
| 6428610 | Hepa filter The present invention is directed toward a filter media for a high efficiency particulate air ("HEPA") filter including a multiplicity of adjacent electrostatically charged piles of nonwoven fabric. The invention further includes a method of making a HEPA... | 08/06/2002 |
| 6368392 | Electric dust collecting unit In a disclosed electric dust-collecting unit, needle electrodes face laterally against openings, so that a person in charge of replacement or maintenance/inspection of the electric dust-collecting unit can be prevented in safety from being injured on his ... | 04/09/2002 |
| 6361589 | Device for air cleaning A device is provided for cleaning air from charged particles in an air flow duct. The device includes at least one precipitator panel including one or more precipitator units that are arranged so that their inlets have a large extension relative to the cr... | 03/26/2002 |
| 6294003 | Modular condensing wet electrostatic precipitators A condensing wet electrostatic precipitator for cleaning hot gases is constructed of collection electrode modules which establish longitudinally extending collection electrodes and a cooling jacket, each collection electrode module having a configuration ... | 09/25/2001 |
| 6290757 | Nitrogen purification device A ceramic honeycomb nitrogen purification device is provided including a source gas, a set of gaseous nitrogen passages, a set of oxygen disposal passages, an electroded oxygen conducting ceramic membrane, an electrical power source, an oxygen sensor, and... | 09/18/2001 |
| 6193788 | Electric dust collecting apparatus and manufacturing method of the same An electric dust collecting apparatus includes at least one needle electrode for charging floating particles in air by generating a corona discharge around needle points; at least one collecting electrode provided on cell-liked arrangement corresponding t... | 02/27/2001 |
| 6193782 | Modular condensing wet electrostatic precipitators and method A condensing wet electrostatic precipitator is constructed of collection electrode modules which establishing collection electrodes and a cooling jacket, each collection electrode module having a configuration including at least one part-tubular section a... | 02/27/2001 |
| 6117216 | Precipitator for cleaning of air from electrically charged aerosols An electrostatic precipitator for purifying air from charged particles. The precipitator includes at least a pair of electrode elements (R and A) spaced apart by a gap distance (a). The electrode elements are moisture-proof. At least one of the electrode ... | 09/12/2000 |
| 5951742 | Processes for the scrubbing of exhaust gas streams A process for the scrubbing of undesirable substances from an exhaust gas stream which comprises passing the stream through a hollow cathode.... | 09/14/1999 |
| 5925170 | Electric dust-collection unit and air-cleaning apparatus using the same An electric dust-collection unit including needle electrodes for the purpose of charging particulates within the air by causing corona discharges around their tips, collector cells (collector electrodes) arranged in tubular shape corresponding to the need... | 07/20/1999 |
| 5922111 | Electrostatic precipitator An electrostatic precipitator for removing fine particles from gas is described. The precipitator includes an array of dust collection pipes, each negatively charged and serving as an electrode. Each pipe has a pin-like positively charged discharge electr... | 07/13/1999 |
| 5787704 | Electronic purification of exhaust gases An ionization unit is placed in an engine exhaust system. The ionization unit comprises an inlet to a first chamber and an outlet from a second chamber. Within the first chamber there is located an anode mesh and a grid mesh adapted to place a negative ch... | 08/04/1998 |
| 5779769 | Integrated multi-function lamp for providing light and purification of indoor air An integrated lamp air purification and cleansing system is disclosed which includes a lamp body which supports a lamp and contains an air purification system. The lamp body includes an air inlet for drawing in air and an air outlet for blowing out the ai... | 07/14/1998 |
| 5725638 | Modular electrostatic precipitation dust collection plate assembly A modular dust collection plate assembly (10) for use in an electrostatic precipitator is provided. The dust collection plate assembly (10) includes at least one panel member (100) and at least one waveform member (200) releasably coupled together. The pa... | 03/10/1998 |
| 5484473 | Two-stage electrostatic filter with extruded modular components particularly for air recirculation units A two-stage electrostatic filter is provided for air recirculation units. The filter includes at least one ionization stage (100) formed by parallel facing walls, in which a high-potential electrode (50) is located, and at least one precipitation stage (2... | 01/16/1996 |
| 5466279 | Electric dust collector system An electric dust collector system which contains a plurality of charging mechanisms such as ionizer electrodes for charging dust particles and a plurality of collector mechanisms such as collector electrodes for collecting the dust particles. The collecto... | 11/14/1995 |
| 5401301 | Device for the transport of materials and electrostatic precipitation The invention describes a device for transporting materials which has at least a first pipe (I) and a second pipe (II), each having a six-cornered, honeycomb-shaped flow cross section, the first pipe (I) having at least two first wall parts (1) which are ... | 03/28/1995 |
| 5401302 | Electrostatic separator comprising honeycomb collecting electrodes An electrostatic separator is described which includes honeycomb collecting electrodes, which consist of star-shaped elements, wherein each star-shaped element consists of three wall parts (1, 2, 3), which are centrally joined and extend at an angle of 12... | 03/28/1995 |
| 5254155 | Wet electrostatic ionizing element and cooperating honeycomb passage ways A wet electrostatic precipitator device is provided which has a plurality of hexagonal honeycomb collector passage ways, a corresponding mating plurality of stationary rod elements to be centrally located at axes of each said hexagonal honeycomb collector... | 10/19/1993 |
| 5030254 | Lead-plate electric precipitator An electric precipitator has a plurality of parallel, longitudinally straight and throughoing, and transversely spaced longitudinal main beams, respective parallel, planar, and transversely spaced longitudinal main plates suspended from the beams, a plura... | 07/09/1991 |
| 4929139 | Passive electrostatic vacuum particle collector Disclosed are passive electrostatic particle collectors (10 & 12) for use in vacuum chambers (24 & 32) especially for a particle beam machine system (30 & 36) to collect particulates, such as dust and debris, generated by moving parts (16) within such cha... | 05/29/1990 |
| 4869736 | Collecting electrode panel assembly with coupling means A collecting electrode panel assembly (20) comprises a plurality of collecting electrode plates (22) disposed in successively aligned relationship beneath and suspended from an electrode support member (14) supported by the housing (12) of an electrostati... | 09/26/1989 |
| 4765802 | Electrostatic precipitator plate spacer and method of installing same A spacer is provided for maintaining the spacing between a pair of adjacent electrostatic precipitator plates having corona electrode wires positioned midway therebetween. The plates are of the type having a generally planar vertically extending surface s... | 08/23/1988 |
| 4725289 | High conversion electrostatic precipitator An electrostatic precipitator with an inlet and outlet duct having corona forming discharge electrodes to ionize the particulate in the gas stream, and multi-lateral stages of collecting zones to collect particulate from the gas stream by impingement and ... | 02/16/1988 |